Study into the TBM jamming hazard in Opalinus clay

The National Cooperative for the Disposal of Radioactive Waste (Nagra) in Switzerland has designated Opalinus clay as a host rock for a deep geological repository. The drifts for high-level waste storage (∅ 3.5 m) are to be constructed with a shielded tunnel boring machine (TBM) at depths where sque...

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Bibliographic Details
Published in:	Expanding Underground - Knowledge and Passion to Make a Positive Impact on the World pp. 2146 - 2153
Main Authors:	Nordas, A.N., Natale, M., Anagnostou, G., Cantieni, L.
Format:	Book Chapter
Language:	English
Published:	United Kingdom CRC Press 2023 Taylor & Francis Group
Edition:	1
Subjects:	Vice Versa Advancing Tunnel Face Overburden Pore Pressure Excess Pore Pressure Dissipation TBM Advance GRCs Tunnel Face Vertical Symmetry Plane Opalinus Clay Tunnel Boundary TBM Shield Material Anisotropy Deep Geological Repositories Shield Jamming BIM Model Stiffness Anisotropy Early Middle Jurassic Period Pore Pressure Field Ground Consolidation Shield Tail SEM Negative Pore Pressures Excess Pore Pressures Squeezing Conditions
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